Q. The main disadvantage of cast iron sleeper is (Solved)
1. that they are liable to crack
2. that they are liable to break
3. that they are liable to get rusted
4. both (a) and (b)
- d. both (a) and (b)
1. that they are liable to crack
2. that they are liable to break
3. that they are liable to get rusted
4. both (a) and (b)